﻿// Copyright (c) 2009 John Ehn, ExtremeSwank.com
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.

namespace ExtremeSwank.OpenId.Persistence
{
    /// <summary>
    /// A volatile in-memory SessionManager.
    /// </summary>
    /// <remarks>
    /// Only holds data for a single user session.  Data is not persisted.
    /// </remarks>
    public sealed class SingularSessionManager : ISessionPersistence
    {
        private int _Cnonce;

        #region ISessionPersistence Members

        /// <summary>
        /// Gets or sets the nonce value used to protect against replay attacks.
        /// </summary>
        public int Nonce
        {
            get
            {
                if (_Cnonce == default(int)) { return -1; }
                return _Cnonce;
            }
            set
            {
                _Cnonce = value;
            }
        }

        #endregion

    }
}
